vim-patch:94c1c66: runtime(tf): include tf ftplugin file

Adds ftplugin support for tf (TinyFugue). Comment support taken from
[here](https://github.com/kruton/tinyfugue/blob/1e8ac0bb014036c07bb3c679b0292ef20a6a0bb5/src/command.c#L568)

closes: vim/vim#15168

https://github.com/vim/vim/commit/94c1c6638a652cbe21b4d25ae5f26078e2e633d7

Co-authored-by: Riley Bruins <ribru17@hotmail.com>

runtime/ftplugin/tf.vim

@@ -0,0 +1,13 @@
+" Vim filetype plugin
+" Language:	tf (TinyFugue)
+" Maintainer:	Riley Bruins <ribru17@gmail.com>
+" Last Change:	2024 Jul 06
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setl comments=:#,:; commentstring=;\ %s
+
+let b:undo_ftplugin = 'setl com< cms<'

runtime/lua/vim/filetype/detect.lua

@@ -1597,7 +1597,7 @@ function M.tex(path, bufnr)
   end
 end
 
--- Determine if a *.tf file is TF mud client or terraform
+-- Determine if a *.tf file is TF (TinyFugue) mud client or terraform
 --- @type vim.filetype.mapfn
 function M.tf(_, bufnr)
   for _, line in ipairs(getlines(bufnr)) do